What American act prompted the Japanese to attack Pearl Harbor and other bases in the Pacific? Group of answer choices The oil embargo They learned of the American plan to build an atomic weapon. FDR condemned the Japanese invasion of China The US began to fortify their positions in the Philippine Islands.

What American act prompted the Japanese to attack Pearl Harbor and other bases in the Pacific? Group of answer choices The oil embargo They learned of the American plan to build an atomic weapon. FDR condemned the Japanese invasion of China The US began to fortify their positions in the Philippine Islands.